Finding the Fourth Proportional to 21,525,541.51, 32,288,431.18 and 5,351,492.80
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Solution
The fourth proportional to 21,525,541.51, 32,288,431.18 and 5,351,492.80 is: 8,027,268.76
Step by Step Solution
- Step 1: Write the proportion equation
21,525,541.51 : 32,288,431.18 = 5,351,492.80 : x - Step 2: Convert to fraction form
21,525,541.51/32,288,431.18 = 5,351,492.80/x - Step 3: Cross multiply
21,525,541.51x = 32,288,431.18 × 5,351,492.80 - Step 4: Simplify right side
21,525,541.51x = 172,791,306,853,512.69 - Step 5: Solve for x
x = 172,791,306,853,512.69/21,525,541.51 - Step 6: Final answer
x = 8,027,268.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.